Provided they host thick, hydrogen-dominated atmospheres, moons orbiting free-floating exoplanets could retain much of the heat generated deep within their interiors by tidal forces. Led by David ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

The discovery of a possible gas giant in the habitable zone of one of the closest stars to Earth opens up exciting possibilities. Could a moon orbiting this planet harbor life, similar to Pandora in ...

There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of planetary formation, sent drifting into the galaxy’s cold interior with no sun to ...

"The cradle of life does not necessarily require a sun." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Moons orbiting starless "rogue" planets ...

Is Saturn’s ocean moon Enceladus habitable? This is what a recent study published in The Planetary Science Journal hopes to ...

The moon has played a huge role in the development of Earth. It stabilizes the planet, tempers dramatic climate swings, and ...